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Every scientific discovery should be measured by its contribution to human welfare.
Every tree we plant today is an investment in tomorrow's clean air and healthy ecosystems.
唯一真正属于你的是你的时间。
所以君子严于律己、宽以待人,而平庸的人却宽以待己、严于律人。 
最好的故事是那些给你留下更多问题而不是答案的故事。
You don't have to be pretty like her. You can be pretty like you.